Area Code +44-913-(4430000...4439999) located in Premium Rate Services, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 913 Subscriber Number From : 4430000 Subscriber Number To : 4439999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : 360CRM Ltd Click here to buy United Kingdom Area Code Database Other Information Language Code : en (English) Country Number : 826 (United Kingdom) Country Code : GB (United Kingdom) City : Premium Rate Services Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.5000 Longitude : -0.1300 ‹ previous : +44-913-(4420000...4429999) next › : +44-913-(4450000...4459999) Dialling Instructions For trunk calls: 0 913 4430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 913 4430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4430000 ~ 4439999 (Count: 10,000) Example: +44-913-4430000 / 0044-913-4430000 (0913-4430000 / 0-913-4430000) +44-913-4430001 / 0044-913-4430001 (0913-4430001 / 0-913-4430001) +44-913-4430002 / 0044-913-4430002 (0913-4430002 / 0-913-4430002) +44-913-4430003 / 0044-913-4430003 (0913-4430003 / 0-913-4430003) +44-913-4430004 / 0044-913-4430004 (0913-4430004 / 0-913-4430004) ...+44-913-xxxxxxx / 0044-913-xxxxxxx (0913-xxxxxxx / 0-913-xxxxxxx) ...+44-913-4439995 / 0044-913-4439995 (0913-4439995 / 0-913-4439995) +44-913-4439996 / 0044-913-4439996 (0913-4439996 / 0-913-4439996) +44-913-4439997 / 0044-913-4439997 (0913-4439997 / 0-913-4439997) +44-913-4439998 / 0044-913-4439998 (0913-4439998 / 0-913-4439998) +44-913-4439999 / 0044-913-4439999 (0913-4439999 / 0-913-4439999)